APA (7th ed.) Citation

Scheer, K. (1977). Duel under the double sun. Ace Books.

Chicago Style (17th ed.) Citation

Scheer, K.-H. Duel Under the Double Sun. New York: Ace Books, 1977.

MLA (9th ed.) Citation

Scheer, K.-H. Duel Under the Double Sun. Ace Books, 1977.

Warning: These citations may not always be 100% accurate.